Finding the Fourth Proportional to 415,437.57, 573,304.11 and 224,450.91
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Solution
The fourth proportional to 415,437.57, 573,304.11 and 224,450.91 is: 309,742.40
Step by Step Solution
- Step 1: Write the proportion equation
415,437.57 : 573,304.11 = 224,450.91 : x - Step 2: Convert to fraction form
415,437.57/573,304.11 = 224,450.91/x - Step 3: Cross multiply
415,437.57x = 573,304.11 × 224,450.91 - Step 4: Simplify right side
415,437.57x = 128,678,629,196.24 - Step 5: Solve for x
x = 128,678,629,196.24/415,437.57 - Step 6: Final answer
x = 309,742.40
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.